17.8 grams of sodium chloride are added to 217 grams of water. the volume of the water is 200 cm3. sodium chloride has a solubility of 360 g/dm3. what is the mass of the solution?

A solvent is a liquid that dissolves a solid, liquid or gaseous solute. A solute is a substance dissolved in another substance. A solute and a solvent make up a solution.  

the mass of the solution = mass of solvent (water) + mass of solute (NaCl)

the mass of the solution =  217 grams + 17.8 grams = 234.8 grams  

Note:

according to the solubility of sodium chloride which given in the question 360 g/dm3 all the amount of NaCl added to water was totally dissolved.  

the law of conservation of mass states that in a chemical reaction, the total mass of reactants is equal to the total mass of products. because atoms are only rearranged in a chemical reaction, there must be the same number of sodium atoms and chlorine atoms in both the reactants and products

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